Ear: Diagnostic Tests and Procedures

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audiometry

process of measuring hearing

audiometer

instrument to measure hearing

audiogram

record of hearing measurement

audiologist

person who specializes in the study of hearing impairments

auditory acuity testing

physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss

tuning fork

two-pronged, fork-like instrument that vibrates when struck; used to test for hearing, especially bone conduction

brainstem auditory evoked potentials (BAEP)

electrodiagnostic testing using computerized equipment to measure involuntary responses to sound within the auditory nervous system - commonly used to assess hearing in newborns

otoscopy

use of an otoscope to examine the external auditory meatus (canal) and tympanic membrane

pneumatic otoscopy

otoscopic observation of the tympanic membrane as air is released into the external auditory meatus (canal); immobility indicates the presence of middle ear effusion (fluid buildup) as occurs as a result of otitis media

tympanometry

measurement of the compliance and mobility of the tympanic membrane and ossicles of the middle ear by monitoring the response after exposure to external airflow pressures